Remove unused imports

[Rongze Zhu]

Remove unused imports

cd **/keystone/keystone/
find . -type f -name "*py" -exec pylint -r n {} \; | grep -E "Unused imp|^\*"

************* Module openstack.common.timeutils
W: 24,0: Unused import time
No config file found, using default configuration

************* Module common.sql.migrate_repo.versions.001_add_initial_tables
W: 17,0: Unused import UsageError from wildcard import
W: 18,0: Unused import text from wildcard import
................
************* Module common.cms
W: 2,0: Unused import stat
W: 1,0: Unused import os
************* Module common.utils
W: 27,0: Unused import sys

[Rongze Zhu (zrzhit)]

cd **/openstack-common/openstack/
find . -type f -name "*py" -exec pylint -r n {} \; | grep -E "Unused imp|^\*"

************* Module common.plugin.pluginmanager
W: 16,0: Unused import imp
W: 17,0: Unused import os
************* Module common.rpc.common
W: 25,0: Unused import cfg
W: 22,0: Unused import sys
************* Module common.notifier.api
W: 16,0: Unused import inspect

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/11463

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/11465

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/11465
Committed: http://github.com/openstack/openstack-common/commit/6a22ea45edc0f0263731944f2ad0ffe15c8a9457
Submitter: Jenkins
Branch: master

commit 6a22ea45edc0f0263731944f2ad0ffe15c8a9457
Author: RongzeZhu <email address hidden>
Date: Thu Aug 16 22:29:31 2012 +0800

    Remove unused imports

    Fixes bug #1037578

    Change-Id: I87dbd0bc5fe16a4416a676dc26f2446a54509bc1

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/11463
Committed: http://github.com/openstack/keystone/commit/64bbaf51e6aa1bbab4be2405a99f9b116e2e8f32
Submitter: Jenkins
Branch: master

commit 64bbaf51e6aa1bbab4be2405a99f9b116e2e8f32
Author: RongzeZhu <email address hidden>
Date: Thu Aug 16 22:02:48 2012 +0800

    Remove unused imports

    Fixes bug #1037578

    Change-Id: I2fdaf83e731e1b839eb0bb2ee2f0f55d7bd40f00